NCIS: Los Angeles could be planning something major for Deeks as season 7 begins.

'NCIS: LA' Season 7: Get A Sneak Peek At 'Citadel', Major Changes Coming In Latest Episode

The CBS drama is currently filming for episode 702 (airing order unconfirmed), and Eric Christian Olsen (Deeks) has posted an intriguing photo from set. Penned by Dave Kalstein, "Citadel" could feature more than one Deeks.

 Season 7 is gonna be awesome. #NCISLA #bestpartnershipEver

A photo posted by Eric Christian Olsen (@ericcolsen) on Aug 6, 2015 at 10:00am PDT

Unfortunately, this is mere fan speculation fueled by a possible joke from Olsen. However, "Citadel" is primed to introduce viewers to a character they have long wanted to meet. Could this be a young Deeks or, perhaps his mother?

'NCIS: LA' Season 7 Spoilers: Highly Anticipated Character To Be Revealed, Who Will It Be?

While fans mull over these possibilities, there is one 702 appearance that can be confirmed without a doubt. Mercedes Mason will reprise her role as DEA Agent Talia Del Campo for the fourth time.

"Surrounded by warrior women on set today! The NCISLA family loves bad-ass @mercedesmason," Kalstein tweeted on Thursday.

Del Campo was last seen in the season 6 premiere. After hashing out her differences with Kensi (Daniela Ruah), Talia went on to help the Office of Special Projects locate Callen and Sam as they fought for their lives far below the ocean's surface.

Find out more when NCIS: LA returns to CBS on Sept. 21 at 10 p.m. ET.

Tags
NCIS: LA, NCIS: Los Angeles, Television, CBS